Seiko Cal. 3816 - 653

The 3816-653 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-b5e4395040e2]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1990

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